Page 2 - Category Cables

S/FTP Shielded CAT 7A Cable CMR

Standard Conductor
Al-mylar Foil
Category Cables
IEC/ISO 61156-5 Braid
ISO/IEC 11801 Insulation(skin-foam-skin)
Application Jacket
Rip Cord
Suitable for structured premises cabling.
For transmission of digital and analogue voice and data Conductor
signals.
Especially suitable for all Class FA applications. Conductor Solid Bare Copper 23AWG
ISDN,Ethernet 10 Base-T,Fast Ethernet 100 Base-T, Insulation PE(Skin-Foam-Skin)
Gigabit Ethernet 1000Base-T ,10G Base-T.(IEEE 802.3). Total number of 8, twisted in 4 pairs
Token Ring4/16Mbit/s,TP-PMD/TP/DDI 125Mbit/s,ATM insulated conductors
155Mbit/s.(IEEE 802.5 ). Color code blue x white, orange x white,
green x white, brown x white
Individual pair shield aluminum foil, providing 100%
coverage, foil face out
Electrical Characteristics
Overall shield Tinned copper braid
Impedance:4 - 100MHz 100±15 (ohms). Drain wire None
100 - 200MHz 100±22 (ohms).
200 - 1000MHz 100±32 (ohms).
Max. Conductor DC Resistance 20°C:8.4(ohms/100m). Order information
Resistance unbalance (%):max 2.5.
Pair-to-Ground Capacitance Unbalance:330 (pF/100m). Item Outer Jacket Overall diameter(mm)
Transfer Impendance:Max10 mohms/m@100MHz. D285-R CMR 8.3±0.3
Coupling Attenuation:Min 80 dB. D285-L LSZH 8.3±0.3
Installation temperature:0~50°C. D285-E LDPE 8.3±0.3
Operation temperature:-20~60°C.

Nominal Transmission Characteristics

Delay(max) Delay Skew PSNEXT ELNEXT PSELNEXT
Frequency RL (min) IL(max) Propagation (max) NEXT (min) (min) (min) (min)
(MH)z (dB) (dB/100m) (ns/100m) (ns/100m) (dB) (dB) (dB/100m) (dB/100m)
4 23.0 3.7 552 25 78.0 75.0 78.0 75.0
8 24.5 5.2 547 25 78.0 75.0 77.2 74.2
10 25.0 5.8 545 25 78.0 75.0 75.3 72.3
16 25.0 7.3 543 25 78.0 75.0 71.2 68.2
20 25.0 8.2 542 25 78.0 75.0 69.3 66.3
25 24.3 9.2 541 25 78.0 75.0 67.3 64.3
31.25 23.6 10.3 540 25 78.0 75.0 65.4 62.4
62.5 21.5 14.6 539 25 75.5 72.5 59.4 56.4
100 20.1 18.5 538 25 72.4 69.4 55.3 52.3
200 18.0 26.5 537 25 67.9 64.9 49.3 46.3
250 17.3 29.7 536 25 66.4 63.4 47.3 44.3
300 17.3 32.7 536 25 65.2 62.2 45.8 42.8
400 17.3 38.0 536 25 63.4 60.4 43.3 40.3
500 17.3 42.8 536 25 61.9 58.9 41.3 38.3
600 17.3 47.1 535 25 60.7 57.7 39.7 36.7
700 na 51.1 535 25 59.7 56.7 na na
800 na 54.9 535 25 58.9 55.9 na na
900 na 58.5 535 25 58.1 55.1 na na
1000 na 61.9 535 25 57.4 54.4 na na
Note: The above transmission performance for the 100M, 20 ± 2°C under the conditions tested.

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